Skarvan og Roltdalen
IUCN IINational Park · 2004
443 km²
Municipality · NOR
Meråker
Norway
DfcCold, no dry season, cold summer(97 %)
Species observed
3 995
Observations
107 495
Area
1 303,6km²
Ecological tissue
Sample of 36 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Meråker : 28 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
77
Connectance
0.116
Patrimoniales
4
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 995 distinct species · 107 495 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,2°C
Annual rain
1 605mm
Warmest m°
14,8°C
Coldest m°
-9,3°C
Elevation: 629 m on average (min 112 m, max 1 306 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,2°C
Annual rain
1 605mm
Warmest month
14,8°C
Coldest month
-9,3°C
Mean alt.
629m
Min
112m
Max
1 306m
Std. dev.
180m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(97 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology8 basins · 34 lakes · 79 rivers
Hydrology metrics for this exact territory
Stream length here
349,4km
Lake surface here
73,46km²
Basins crossed
8
Max stream order
4
Max drainage
3 085km²
Discharge in basins
42,4m³/s
Mean precip.
876mm/an
Mean T°
1,8°C
Moisture idx
0,50
Max snow
62%
Mean runoff
920mm/an
Mean elev. (basins)
514m
Watersheds crossing here
- Bassin de Stjørdalselvasub-area2 103,2 km²overlap1108.97 km²85%
- Bassin de Enansub-area664 km²overlap67.97 km²5%
- Bassin de Lødøljasub-area319,2 km²overlap47.99 km²4%
- Bassin de Rotlasub-area272,7 km²overlap32.90 km²3%
- Bassin de Medstuguånsub-area396,5 km²overlap24.05 km²2%
- Bassin de Helgåasub-area1 584,5 km²overlap11.77 km²1%
- Bassin de Nidelvasub-area785,9 km²overlap5.12 km²0%
- Bassin de Djupholmasub-area248 km²overlap4.85 km²0%
Lakes (34, top by area)
- Ferenarea25,7 km²avg depth24.4 m
- Fjergenarea16,1 km²avg depth10.3 m
- Skalsvattnetarea10,7 km²avg depth24.3 m
- Funnsjøenarea7,9 km²avg depth15.1 m
- Gaasejaevriearea6,3 km²avg depth16.3 m
- Vestre Sonvatnetarea4,3 km²avg depth14.3 m
- Lihpiejaevriearea3,8 km²avg depth14.6 m
- Langenarea3,4 km²avg depth8.8 m
- Kruehkiejaevriearea3,2 km²avg depth11.9 m
25 more lakes
- Store Klepptjørnaarea1,3 km²avg depth11.4 m
- Raammanjaevriearea1,2 km²avg depth8.1 m
- Guevtelesjaevriearea1,1 km²avg depth9.6 m
- Lac 1253667area0,9 km²avg depth6.4 m
- Lac 1253735area0,9 km²avg depth7.3 m
- Lac 1256310area0,7 km²avg depth6.8 m
- Lac 1257035area0,5 km²avg depth4.2 m
- Lac 1256606area0,4 km²avg depth4.9 m
- Lac 1257381area0,4 km²avg depth4.7 m
- Lac 1254906area0,3 km²avg depth6.0 m
- Lac 1255037area0,3 km²avg depth6.9 m
- Lac 1255834area0,3 km²avg depth4.9 m
- Lac 1256264area0,3 km²avg depth7.2 m
- Lac 1257304area0,3 km²avg depth3.8 m
- Lac 1257005area0,2 km²avg depth5.2 m
- Lac 1257265area0,2 km²avg depth3.8 m
- Lac 1257464area0,2 km²avg depth4.1 m
- Lac 1255812area0,2 km²avg depth5.9 m
- Lac 1256593area0,2 km²avg depth4.1 m
- Lac 1256898area0,1 km²avg depth4.9 m
- Lac 1257183area0,1 km²avg depth4.2 m
- Lac 1255373area0,1 km²avg depth4.6 m
- Lac 1255673area0,1 km²avg depth5.2 m
- Lac 1255201area0,1 km²avg depth4.9 m
- Lac 1257685area0,1 km²avg depth4.2 m
Rivers / streams (79, ord ≥ 4)
- Torsbjørkaord 4len here15.91 km100%total16 km
- Gilsåaord 2len here15.43 km100%total15 km
- Smemobekkenord 2len here14.97 km100%total15 km
- Kopperåaord 1len here13.13 km100%total13 km
- Hårråaord 1len here12.27 km100%total12 km
- Funnaord 1len here11.98 km100%total12 km
- Sulåaord 2len here11.26 km100%total11 km
- Tevlaord 3len here11.07 km100%total11 km
- Kjølhaugåaord 1len here10.41 km100%total10 km
- Ranglaord 2len here10.06 km93%total11 km
- Vatnelvaord 2len here9.72 km100%total10 km
- Bubekkenord 1len here9.14 km100%total9 km
67 more river segmentssorted by Strahler order + length
- Litjbekkenord 2len here8.01 km100%total8 km
- Langsåaord 3len here7.70 km100%total8 km
- Steinkleivbekkenord 2len here7.65 km100%total8 km
- Kråkaord 2len here6.42 km100%total6 km
- Litjelvaord 1len here6.10 km100%total6 km
- Skillerbekkenord 1len here6.10 km100%total6 km
- Kanalibekkenord 2len here5.90 km100%total6 km
- Sauåaord 1len here5.86 km43%total14 km
- Reinåaord 1len here5.81 km100%total6 km
- Mobekkenord 2len here5.45 km58%total9 km
- Kvennskoraord 1len here5.28 km100%total5 km
- Vatnstasjonsbekkenord 2len here5.26 km100%total5 km
- Nordelvaord 1len here5.20 km100%total5 km
- Røssåsbekkenord 3len here4.98 km100%total5 km
- Klukselvaord 2len here4.95 km100%total5 km
- Skrøyaord 2len here4.80 km100%total5 km
- Synnerelvaord 1len here4.77 km100%total5 km
- Mannlibekkenord 2len here4.75 km100%total5 km
- Bjørgbekkenord 1len here4.09 km100%total4 km
- Meåsbekkenord 3len here3.80 km100%total4 km
- Vedrybekkenord 2len here3.76 km100%total4 km
- Vollmobekkenord 2len here3.74 km100%total4 km
- Tjurubekkenord 2len here3.53 km100%total4 km
- Skillerdalsbekkenord 3len here3.39 km100%total3 km
- Tverrelvaord 2len here3.38 km100%total3 km
- Gammelbubekkenord 3len here3.30 km100%total3 km
- Svebekkenord 4len here3.20 km100%total3 km
- Storsteinbekkenord 3len here3.06 km23%total13 km
- Geitsundbekkenord 1len here3.02 km100%total3 km
- Stjørdalselvaord 5len here2.96 km9%total31 km
- Lødøljaord 3len here2.83 km12%total23 km
- Vollbekkenord 4len here2.75 km100%total3 km
- Blæstervollbekkenord 4len here2.67 km100%total3 km
- Svahyllbekken østreord 2len here2.58 km100%total3 km
- Langnesbekkenord 4len here2.57 km100%total3 km
- Kongshaugbekkenord 1len here2.50 km100%total3 km
- Litjlangsbekkenord 2len here2.50 km100%total2 km
- Skoraord 2len here2.37 km100%total2 km
- Fjelldalsbekkenord 3len here2.27 km100%total2 km
- Styggdalsbekkenord 1len here2.25 km100%total2 km
- Skakkelbekkenord 2len here2.18 km100%total2 km
- Storbekkenord 3len here2.16 km15%total14 km
- Østervollåaord 1len here2.11 km100%total2 km
- Syndre Trøbekkenord 4len here1.96 km100%total2 km
- Svarttjønnbekkenord 2len here1.76 km100%total2 km
- Samsikabekkenord 2len here1.75 km100%total2 km
- Malbekkenord 1len here1.71 km100%total2 km
- Skurdalsåaord 2len here1.67 km100%total2 km
- Lusbekkenord 2len here1.64 km100%total2 km
- Litjåaord 1len here1.55 km100%total2 km
- Kvernbekkenord 4len here1.55 km19%total8 km
- Ratbekkenord 4len here1.55 km101%total2 km
- Kvartsbrottbekkenord 1len here1.35 km100%total1 km
- Sagelvaord 4len here1.23 km19%total6 km
- Holbekkenord 1len here1.21 km100%total1 km
- Vollåaord 1len here1.16 km100%total1 km
- Vatnbekkenord 1len here0.94 km100%total1 km
- Bitbekkenord 4len here0.82 km100%total1 km
- Sørvigdaord 2len here0.72 km11%total6 km
- Eggbekkenord 4len here0.72 km101%total1 km
- Tjärndalsånord 1len here0.54 km7%total8 km
- Storkjerringåaord 1len here0.52 km100%total1 km
- Styggskoraord 2len here0.51 km100%total1 km
- Hansbubekkenord 2len here0.51 km100%total1 km
- Høykjølbekkenord 1len here0.31 km101%total0 km
- Lauvaord 2len here0.29 km3%total11 km
- Silraord 2len here0.10 km2%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas14
IUCN Ia · 7IUCN Not Reported · 5IUCN II · 1IUCN Not Assigned · 1
Skarvan og Roltdalen
IUCN Not ReportedEmerald Network
442 km²
Åreälven
IUCN Not AssignedNatura 2000 SCI · 2000
124 km²
Åreälven
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
124 km²
Øvre Forra
IUCN IaNature Reserve · 2024
103 km²
Øvre Forra
IUCN IaWetland of International Importance (Ramsar Site) · 2002
103 km²
Complete list14 protected areas
- Skarvan og RoltdalenNational ParkIUCN II2004443 km²
- Skarvan og RoltdalenEmerald NetworkIUCN Not Reported442 km²
- ÅreälvenNatura 2000 SCIIUCN Not Assigned2000124 km²
- ÅreälvenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2009124 km²
- Øvre ForraNature ReserveIUCN Ia2024103 km²
- Øvre ForraWetland of International Importance (Ramsar Site)IUCN Ia2002103 km²
- Øvre ForraEmerald NetworkIUCN Not Reported103 km²
- KoltjønndalenEmerald NetworkIUCN Not Reported57 km²
- KoltjønndalenNature ReserveIUCN Ia201157 km²
- RangeldalenNature ReserveIUCN Ia198826 km²
- RangeldalenEmerald NetworkIUCN Not Reported26 km²
- SankkjølenNature ReserveIUCN Ia200825 km²
- FerenNature ReserveIUCN Ia201418 km²
- KvennskoraNature ReserveIUCN Ia20193 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN